51.36 SD/MMC Host Controller (SDHC) Electrical Specifications
AC CHARACTERISTICS | Standard
Operating Conditions: VDDREG=VDDIO=AVDD 2.7V to 3.63V (unless otherwise
stated) Operating temperature: -40°C ≤ TA ≤ +85°C for Industrial | ||||||
---|---|---|---|---|---|---|---|
Param. No. | Symbol | Characteristics | Min. | Typ. | Max. | Units | Conditions |
SD_1 | fGCLK_SDHCx_SLOW | Common SDHC slow input clock frequency | — | — | FCLK_31 | MHz | — |
SD_3 | fGCLK_SDHCx_CORE | SDHCx input clock frequency | — | — | FCLK_33 | MHz | — |
SD/SDIO Default Speed Mode | |||||||
SD_5 | tSDCK | Clock Frequency | — | — | 25 | MHz | — |
SD_7 | tDUTY | Duty Cycle | — | 50 | — | % | — |
SD_9 | tHIGH | Clock High Time | 500/tSDCK | — | — | ns | — |
SD_11 | tLOW | Clock Low Time | 500/tSDCK | — | — | ns | — |
SD_13 | tRISE | Clock Rise Time | — | — | DI_29 | ns | See parameter in I/O Specifications |
SD_15 | tFALL | Clock Fall Time | — | — | DI_31 | ns | See parameter in I/O Specifications |
SD_17 | tIN_SETUP | Input Setup Time | 3 | — | — | ns | — |
SD_19 | tIN_HOLD | Input Hold Time | 0 | — | — | ns | — |
SD_21 | tOUT_DLY | Output Delay Time | — | — | 7 | ns | VDDIOx = 3.3V, CLOAD = 30 pF(MAX) |
SD_23 | tOUT_HOLD | Output HOLD Time | 1 | — | — | ns | |
SD/SDIO High Speed Mode | |||||||
SD_25 | tSDCK | Clock Frequency | — | — | 52 | MHz | — |
SD_27 | tDUTY | Duty Cycle | — | 50 | — | % | — |
SD_29 | tHIGH | Clock High Time | 500/tSDCK | — | — | ns | — |
SD_31 | tLOW | Clock Low Time | 500/tSDCK | — | — | ns | — |
SD_29 | tRISE | Clock Rise Time | — | — | DI_29 | ns | See parameter in I/O Specifications |
SD_31 | tFALL | Clock Fall Time | — | — | DI_31 | ns | See parameter in I/O Specifications |
SD_33 | tIN_SETUP | Input Setup Time | 3 | — | — | ns | — |
SD_35 | tIN_HOLD | Input Hold Time | 0 | — | — | ns | — |
SD_37 | tOUT_DLY | Output Delay Time | — | — | 7 | ns | VDDIOx = 3.3V, CLOAD = 30 pF(MAX) |
SD_39 | tOUT_HOLD | Output HOLD Time | 0 | — | — | ns | |
Note:
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